GREENFIELD — “Digging in Their Heels,” a one-woman show about the 70-year struggle for women to get the vote in the United States, comes to the H.J. Ricks Centre for the Arts, 122 W. Main St., at 7 p.m. Sept. 21. Sponsored by the League of Women Voters, Dr. Sally Perkins, a renowned storyteller and public speaking professor at Butler University, brings the story to life in a one-hour performance in celebration of the 100th anniversary of women’s suffrage. Tickets are available for $10 (plus a fee) at eventbrite.com; search “Digging in Their Heels” or at the door before the performance.